Shower shelf



FIG. 1 is a front perspective view of the shower shelf showing my new design.

FIG. 2 is an exploded back perspective view thereof.

FIG. 3 is an exploded front perspective view thereof.

FIG. 4 is front view thereof.

FIG. 5 is a side view thereof.

FIG. 6 is a back view thereof.

FIG. 7 is a side view thereof.

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a top view thereof.

The broken lines in the drawings illustrate portions of the shower shelf which form no part of the claimed design. 

CLAIM The ornamental design for a shower shelf, as shown and described. 